diff options
| author |   Wenjing Liu <Wenjing.Liu@amd.com> | 2019-03-21 13:05:36 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2019-04-10 13:53:27 -0500 |
| commit | e49f69363adf8920883fff7e8ffecb802d897c6b (patch) | |
| tree | 8ee70b90ae26c7bd2cb7f9a94befdd2ed58da32c /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | drm/amd/display: fix dp_hdmi_max_pixel_clk units (diff) | |
| download | linux-dev-e49f69363adf8920883fff7e8ffecb802d897c6b.tar.xz linux-dev-e49f69363adf8920883fff7e8ffecb802d897c6b.zip | |
drm/amd/display: use proper formula to calculate bandwidth from timing
[why]
The existing calculation uses a wrong formula to
calculate bandwidth from timing.
[how]
Expose the existing proper function that calculates the bandwidth,
so dc_link can use it to calculate timing bandwidth correctly.
Signed-off-by: Wenjing Liu <Wenjing.Liu@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 8fc223defed4..a83e1c60f9db 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -252,4 +252,6 @@ bool dc_submit_i2c( uint32_t link_index, struct i2c_command *cmd); +uint32_t dc_bandwidth_in_kbps_from_timing( + const struct dc_crtc_timing *timing); #endif /* DC_LINK_H_ */ |